ago 【常与一般过去时连用】以前 a moment ago 刚才long,long ago 很久很久以前The train left a few minutes ago.火车几分钟前开走了。
辨 ago,before二者都可作为副词，表示“以前”。
Ago 表示从现在算起某段时间以前，before 表示从过去的某个时候算起某段时间以前。
Ago 常与一般过去时连用，before 常与过去完成时连用。
I don’t know where he is,but he was here a minute ago.我不知道他现在在哪儿，但是刚才他在这儿。
I called him up yesterday,but his wife told me that heHad left for Wuhan three days before.我昨天给他打过电话，但他妻子说他三天前去武汉了。
向前；在前；领先Think/plan ahead 事先考虑/计划Look ahead when driving 开车时要看前方We were ten points ahead in the basketball game.在篮球比赛中，我们领先 10 分。
Ahead of 在..前面George said as he ran ahead of me.乔治边说边跑到我的前面去了。
The time here is 9 hours ahead of London.这里的时间比伦敦早 9 个小时。
Alive 【不用于名词前】1 活着的；仍存在的Who is the greatest man alive?谁是当今最伟大的人？Relatives of the missing sailors are struggling to keep their hopes alive.失踪船员的亲属们正努力不让希望破灭。
Not until two days after the earthquake did dhe find her mother alive.地震发生两天后她才发现母亲还活着。
辨析见 living2 有活力的Edward was alive with happiness.爱德华高兴得眉飞色舞。
注：alive 可作表语、补语或后置定语；无比较级和最高级。
come alive1 变得有趣；生动起来The discussion came alive when an interesting topic was brought in.当引入一个有趣的话题时，讨论活跃了起来。
When I decided to join in Malaysian life,everything came alive.当我决定投入马来西亚的生活时，一切都变得活灵活现。
2 精神起来；活泼起来She came alive as she talked about her job.她一谈到自己的工作就来精神了。
3 热闹起来；变得繁忙The fishing villages come alive in spring.渔村在春季变得繁忙起来。
几乎；差不多He slipped and almost fell.他滑了一下，差点摔倒。
Dinner is aimost ready.晚饭差不多准备好了。
辨 almost,nearly二者都是副词，在肯定句中常可换用。
区别如下：almost 可与 never,no,none,nothing,nobody,nowhere,too,more than 等连用，但 nearly 不可。
Almost nothing was done to improve the situation.几乎没采取任何措施来改善处境。
She almost never answers my letters.她几乎从不给我回信。
Nearly 可与 not 连用，但 almost 不可。
Not nearly 意为“一点也不”、“远非”。
He’s not nearly as good -looking as his brother.他远不如他哥哥长得好看。
【不用于名词前】1 单独的Better be alone than in bad company.交损友不如无友。
alone Ahead AlmostIt’s terrible to find oneself alone in such a place.发现独自一人在那样一个地方真可怕。
2孤独的；寂寞的The old man cried like a child because he felt so alone.老人感到很孤独，像小孩子一样哭了起来。
leave/let sb alone 不打扰某人；不管某人Why don’t you just mind your own business and leave me alone?你为什么不管好自己的事，别来打扰我？leave/let sth alone 不碰某物Leave the cakes alone.They’re for the guests.别动那些蛋糕，那是给客人吃的。
单独的；独自的He did it all alone.这全是他一个人干的。
Alternative选择；供选择的东西Minibuses with seats for 12 passengers offer an alternative to expensive taxis and crowded public transport.相对于昂贵的出租车和拥挤的公共交通工具，12 座的小公共汽车提供了另一种选择。
have no alternative but to do sth 除了做某事别无选择I had no alternative but to report him to the police.除了向警察举报他，我别无选择。
1【只用于名词前】可供选择的；二者择一的The way was blocked,so we went by an alternative road.这条路堵塞了，因此我们走了另一条路。
2 非传统的；另类的I want on alternative break trips and had my life totally transformed by that experience.我参加了非传统的假期旅行，他完全改变了我的生活。
Alternative energy 替代能源（指太阳能、风能、水能等）高考链接 1As there is less and less coal and oil,scientists are exploring new ways of making use of energy,such as sunlight,wind and water for power and fuel.A. primaryB.alternativeC.instantD.unique答案BAlways1总是；一直The sun always rises in the east.太阳总是从东方升起。
Why are you always complaining about my cooking?你为什么总抱怨我的厨艺？注：always 与进行时连用，有时表示因一件事情多次重复，说话人感觉焦躁或不满。
2永远We’ll always keep this in mind.我们将永远记住这一点。
as always 同往常一样（as usual）As always,he puts on his shoes and goes for a walk.他和平时一样，穿上鞋出去散步了。
anyway【句子副词】1【支持、补充说明先前的陈述】无论如何；反正（anyhow）I‘m too tired to study anymore;anyway,I’m getting hungry.我太累，学不下去了，反正我也饿了。
2 尽管如此It may rain,but we shall go anyway.可能会下雨，但是不管怎样我们还是得去。
3【用于转换话题或结束谈话】对了；好吧Anyway,let’s forget about that for the moment.好吧，咱们暂时不要提这件事了。
best【good 的最高级】最好的；最优秀的；最适当的the best way to learn English 学习英语最好的方法He is the best person for the job.他是最适合这项工作的人。
The Godfather is popularly regarded as one of the best American films ever made.《教父》被普遍认为是美国有史以来最好的影片之一。
Hope for the best and be prepared for the worst.希望获得最好的结果，但是做最坏的打算。
【well 的最高级】最好的；最适当的He who is best trained works best.受过最佳训练的人能把工作做得最好。
Which do you like best?你最喜欢哪一个？【常用the best】最佳的人；最好的事物；最佳状态He is among the best in his profession.他是他所在行业的佼佼者之一。
All the best!【告别时用语；信函最后的问候语】祝一切顺利！at best（关于不好的事情）顶多；充其量The movie was at best ordinary,and at worst boring.这部电影顶多算是一般，说不中听点，很无聊。
do/try one’s best 尽力I don’t think I can finish it within this week,but I’ll try my best.我看这星期之内完不成，但我会尽最大的努力。
make the best of 充分利用；尽情享用If you cannot have the best,make the best of what you have.如果没有最好的，就充分利用现有的。
to the best of one’s ability/knowiedge 尽某人所能/就某人所知高考链接 61.Next to biology,I like physicsA.betterB.bestC.the betterD.very well2.T he school isn’t the one I really wanted to go to,but I suppose I’ll just h ave to it.A.make the best ofB.get away fromC.keep an eye onD.catch up with答案 1.B 2.Abest-seller 畅销书best-selling【只用于名词前】畅销的a best-selling novel 一部畅销小说better【good 的比较级】更好的；较好的；【well 的比较级】（健康状况）有所好转的His idea is better than mine.他的注意比我的好。
